Two ISS cosmonauts complete the first spacewalk of 2024

Cosmonauts Oleg Kononenko and Nikolai Chub are working outside the space station during their spacewalk on Thursday, April 25, 2024
Cosmonauts Oleg Kononenko and Nikolai Chub are working outside the space station during their spacewalk on Thursday, April 25, 2024. (Image credit: NASA TV)

Two cosmonauts (Russian astronauts are called cosmonauts), Oleg Kononenko and Nikolai Chub, completed their spacewalk outside the International Space Station (ISS) on April 25, 2024, at 3:33 p.m. EDT.

Their spacewalk began at 10:57 a.m. EDT and lasted four hours and 36 minutes.

It was the first spacewalk of 2024 and the 270th spacewalk overall since the launch of the International Space Station in 1998.

Cosmonaut Oleg Kononenko wore the Russian Orlan spacesuit with red stripes. This was the seventh spacewalk in his career.

And cosmonaut Nikolai Chub wore the same suit with the blue stripes. This was the second spacewalk in his career.

During their four-hour and 36-minute spacewalk, they deployed one panel on a synthetic radar communications system on the Nauka module. Nauka is Russia’s multipurpose laboratory on the International Space Station (ISS).

They have also installed equipment and conducted experiments on the Poisk module to analyze the level of corrosion on station surfaces and modules.

Poisk is another Russian module of the International Space Station (ISS), which provides extra space for scientific experiments. It also provides a place for cosmonauts to prepare their spacewalks and refurbish their spacesuits.

Astronaut Matthew Dominick (center) poses with cosmonauts Oleg Kononenko (left) and Nikolai Chub (right) while preparing Orlan spacesuits for a spacewalk
Astronaut Matthew Dominick (center) poses with cosmonauts Oleg Kononenko (left) and Nikolai Chub (right) while preparing Orlan spacesuits for a spacewalk. (Image credit: NASA)

Oleg Kononenko and Nikolai Chub came out of the space station through the airlock of the Poisk module for their spacewalk.

Cosmonaut Alexander Grebenkin monitored the whole spacewalk from inside the International Space Station (ISS).

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Ashim Chandra Sarkar founded Space & Telescope in 2022. He holds a M.Sc. in physics and has five years of research experience in optical astronomy. His passion for astronomy inspired him to open this website. He is responsible for the editorial vision of spaceandtelescope.com.

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